package com.kaishengit.web.filter;

import java.io.IOException;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class FirstFilter extends AbstrictFilter{
	private String encoding = "utf-8";
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
		
	}
	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		String value = filterConfig.getInitParameter("encoding");
		if(value == null){
			encoding = value;
		}
	}
}
